| Canada Provinces and Territories | 0 | - | 5.00 | 338,659 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,663 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,210 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,867 |
| North America Map Quiz | 0 | - | 4.98 | 245,129 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,427 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,726 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,162 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,399 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,131 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,987 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,170 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,036 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,496 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,978 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,178 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,576 |
| Central American Countries | 0 | - | 4.98 | 155,217 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,245 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,286 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,978 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,205 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,167 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,592 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,130 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,739 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,927 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,515 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,211 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,232 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,878 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,934 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,221 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,284 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,425 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,320 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,019 |
| Territories of the United States | 0 | - | 4.79 | 52,189 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,424 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,709 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,824 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,524 |
| New York City Geography | 0 | - | 4.42 | 32,967 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,397 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,413 |
| Old West History | 0 | - | 4.33 | 15,232 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,498 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,863 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,658 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,288 |
| 20 Most-Visited Places in Canada | 0 | - | 4.27 | 13,137 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,206 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,138 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,597 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,619 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,266 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,169 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,620 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,065 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,991 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,282 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,534 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,061 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,135 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,123 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,658 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,542 |
| 75 Americans Named John | 0 | - | 4.41 | 23,834 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,838 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,361 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,825 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,452 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,929 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,231 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,454 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,377 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,430 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,189 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,967 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,655 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,992 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,774 |
| Name the English Monarchs | 0 | - | 4.92 | 498,781 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,606 |
| American Inventions #1 | 0 | - | 3.63 | 31,468 |
| American Inventions #2 | 0 | - | 3.93 | 15,835 |
| Three Real and One Fake - U.S. History | 0 | - | 4.33 | 25,699 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,661,618 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,437 |
| U.S. History Multiple Choice #2 | 0 | - | 4.32 | 25,000 |
| U.S. History Multiple Choice #1 | 0 | - | 4.31 | 22,176 |
| U.S. History Multiple Choice #4 | 0 | - | 4.26 | 25,503 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.67 | 44,986 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,037 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,497 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,111 |
| U.S. History Multiple Choice #5 | 0 | - | 4.26 | 11,498 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,940 |
| Name that Greek Letter | 0 | - | 4.94 | 321,967 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,475 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,210 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,628 |
| Prime Ministers of the UK | 0 | - | 4.96 | 435,349 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,745 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 54,038 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,051 |
| Which Island in the United States? | 0 | - | 4.29 | 29,221 |
| American Foods | 0 | - | 3.66 | 39,294 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,115 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.94 | 32,026 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,675 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,222 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,817 |
| U.S. Analogies | 0 | - | 4.27 | 19,619 |
| Branches of the U.S. Military | 0 | - | 4.40 | 24,187 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.44 | 29,599 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,404 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,193 |
| US States with the Most Executions | 0 | - | 4.51 | 26,356 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 28,948 |
| Top 10 Least White U.S. States | 0 | - | 4.17 | 47,676 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.40 | 40,088 |
| Top 10 Least Happy U.S. States | 0 | - | 4.54 | 24,046 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,602 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,682 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 27,992 |
| Canada Decoder | 0 | - | 4.12 | 18,665 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,958 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,163 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 210,083 |
| History of Russia Quiz | 0 | - | 4.49 | 31,807 |
| The Trojan War | 0 | - | 4.83 | 39,478 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,771 |
| History of Italy | 0 | - | 4.55 | 31,856 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,136 |
| Roman Emperors | 0 | - | 4.95 | 118,684 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,505 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,014 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,620 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,356 |
| Australian Capitals | 0 | - | 4.92 | 62,610 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,607 |
| Famous Caribbean People | 0 | - | 4.37 | 12,571 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 23,949 |
| North America Cities by Map | 0 | - | 4.41 | 47,649 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,484 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,243 |
| California Multiple Choice | 0 | - | 4.40 | 28,052 |
| San Francisco Trivia | 0 | - | 4.32 | 15,667 |
| San Francisco A-Z | 0 | - | 4.18 | 9,530 |
| Florida Multiple Choice | 0 | - | 4.33 | 10,169 |
| Boston City Trivia | 0 | - | 4.38 | 24,135 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,591 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,703 |
| Official European Union Languages | 0 | - | 4.97 | 237,191 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,050 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,600 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,152 |
| Ancient Greek Words | 0 | - | 4.92 | 110,858 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,585 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 42,658 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,234 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,250 |
| Countries by Founding Story | 0 | - | 4.95 | 76,646 |
| Independence from Whom | 0 | - | 4.99 | 209,981 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,946 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,080 |
| History of India | 0 | - | 4.61 | 21,307 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,422 |
| History of South Africa | 0 | - | 4.60 | 17,622 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,395 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,179 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,878 |
| Top 10 Most Religious U.S. States | 0 | - | 4.31 | 19,256 |
| U.S. States with the Least Gun Ownership | 0 | - | 4.35 | 25,387 |
| Top 10 US States that Produce the Most Coal | 0 | - | 4.27 | 25,347 |
| U.S. States with Youngest Median Age | 0 | - | 4.32 | 20,562 |
| Top 10 U.S. States by Percent Born in State | 0 | - | 4.25 | 12,288 |
| Top 10 U.S. States by Percent Born out of State | 0 | - | 4.22 | 11,797 |
| U.S. States with the Most Workplace Fatalities | 0 | - | 4.09 | 9,537 |
| Canada Country Quiz | 0 | - | 4.55 | 131,861 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,718 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,690 |
| History of Austria | 0 | - | 4.70 | 17,773 |
| Geography of the French Empire | 0 | - | 4.45 | 26,960 |
| The French Revolution | 0 | - | 4.46 | 23,815 |
| History of France | 0 | - | 4.59 | 56,292 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,400 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,764 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,193 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,690 |
| The Vikings! | 0 | - | 4.46 | 28,260 |
| The Portuguese Empire | 0 | - | 4.54 | 12,005 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,224 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,933 |
| Geography of the British Empire | 0 | - | 4.48 | 39,526 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,085 |
| Asia Map Quiz | 0 | - | 4.99 | 908,329 |
